<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Konversi Kode HTML</title>
<style type="text/css">
body {
  background-color:#2c3e50;
  padding:20px;
  font:normal 11px Tahoma,Verdana,Arial,Sans-Serif;
  color:#999;
}
a {
  color:#c94e5c;
  text-decoration:none;
}
a:hover {
  color:#ffffff;
  text-decoration:none;
}
p {margin-top:20px;}
code {color:#c94e5c;}
span {
  margin-top:10px;
  float:right;
}
#codes {
  border:none;
  width:98%;
  height:150px;
  margin:10px auto 10px;
  display:block;
  background-color:#42576c;
  padding:5px;
  font:normal 12px 'Courier New',Monospace;
}
#codes:focus {
  background-color:#384c60;
  color:white;
}
.button-group {
  margin:0 auto 0;
  text-align:center;
}
button,button[disabled]:active {
  background-color:#384c60;
  font:bold 11px Tahoma,Verdana,Arial,Sans-Serif;
  color:#999;
  padding:5px 10px;
  border:none;
  -webkit-border-radius:3px;
  -moz-border-radius:3px;
  border-radius:3px;
  cursor:pointer;
}
button:active {
  background-color:#21afa4;
  color:black;
}
button[disabled],button[disabled]:active {
  opacity:0.4;
  cursor:default;
}
#opt1,#opt2,#opt3,#opt4,#opt5 {
  display:inline-block;
  margin:0 10px 0 0;
  vertical-align:middle;
  border:none;
  outline:none;
}
</style>
</head>
<body>
<textarea spellcheck="false" id="codes" placeholder="Tulis/paste kode di sini lalu klik 'Konversi'"></textarea>
<div class="button-group">
<button id="cvrt" onclick="cdConvert();this.disabled = true;">Konversi</button>
<button onclick="cdClear();">Bersihkan</button>
</div>
<p style='display:none'>
<input checked="true" id="opt1" type="checkbox" />Konversi <code>&amp;</code> menjadi <code>&amp;amp;</code><br />
<input id="opt2" type="checkbox" />Konversi <code>&#39;</code> menjadi <code>&amp;#039;</code><br />
<input id="opt3" type="checkbox" />Konversi <code>&quot;</code> menjadi <code>&amp;quot;</code><br />
<input checked="true" id="opt4" type="checkbox" />Konversi <code>&lt;</code> menjadi <code>&amp;lt;</code><br />
<input checked="true" id="opt5" type="checkbox" />Konversi <code>&gt;</code> menjadi <code>&amp;gt;</code>
</p>
<script type="text/javascript">
function cdClear() {
    var wtarea = document.getElementById('codes');
    wtarea.value = '';
    wtarea.focus();
    document.getElementById('cvrt').disabled = false;
}
function cdConvert() {
    var ctarea = document.getElementById('codes'),
        cv = ctarea.value,
        opt1 = document.getElementById('opt1'),
        opt2 = document.getElementById('opt2'),
        opt3 = document.getElementById('opt3'),
        opt4 = document.getElementById('opt4'),
        opt5 = document.getElementById('opt5');
    cv = cv.replace(/\t/g, "    ");
    if (opt1.checked) cv = cv.replace(/&/g, "&amp;");
    if (opt2.checked) cv = cv.replace(/'/g, "&#039;");
    if (opt3.checked) cv = cv.replace(/"/g, "&quot;");
    if (opt4.checked) cv = cv.replace(/</g, "&lt;");
    if (opt5.checked) cv = cv.replace(/>/g, "&gt;");
    if (cv.lastIndexOf('\n') != -1 || cv.length > 40) {
        cv = cv.replace(/^/, "<i rel=\"pre\">");
    } else {
        cv = cv.replace(/^/, "<i rel=\"code\">");
    }
    cv = cv.replace(/$/, "</i>");
    ctarea.value = cv;
    ctarea.focus();
    ctarea.select();
};
</script>
</body>
</html>